| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1984-11-20 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,483,402 | Nov. 20, 1984 | W. Vonhoff, Jr. | Paving breaker | ||
| 4,483,415 | Nov. 20, 1984 | H.C. Disston, Jr., T.J. Eichfeld | Folding stepladder | ||